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GrogVix [38]
3 years ago
11

How do i solve this equation -4p+9=-5

Mathematics
2 answers:
gregori [183]3 years ago
5 0

Answer:

p = 7/2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

-4p + 9 = -5

<u>Step 2: Solve for </u><em><u>p</u></em>

  1. Subtract 9 on both sides:                     -4p = -14
  2. Divide -4 on both sides:                       p = 7/2

<u>Step 3: Check</u>

<em>Plug in p into the original equation to verify it's a solution.</em>

  1. Substitute in <em>p</em>:                    -4(7/2) + 9 = -5
  2. Multiply:                               -14 + 9 = -5
  3. Add:                                     -5 = -5

Here we see that -5 does indeed equal -5.

∴ p = 7/2 is the solution to the equation.

IRISSAK [1]3 years ago
4 0

Answer:

- 4p + 9 =  - 5 \\  - 4p =  - 14 \\ p =  \frac{ - 14}{ - 4}  \\ p =  \frac{7}{2}  \\ \boxed{ p = 3.5}

<h3>3.5 is the right answer.</h3>
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